SAKALAUSKAITĖ, Rūta. The Analogy of Shadow Economy and Officially Non-Observed Economy. Socialiniai tyrimai, [S. l.], v. 42, n. 2, p. 85–92, 2019. DOI: 10.21277/st.v42i2.275. Disponível em: https://journals.vu.lt./social-research/article/view/22935. Acesso em: 12 apr. 2025.